SHIMANO CS-R7100 105 pinion

A 12-Speed Cassette Range That Brings Versatility To Any Rider Or Road From Sprinting On The Flats To Climbing Steep Inclines, The 11-34t Cassette Has You Covered. It Is Compatible With Both Shimano 11-Speed And 12-Speed Freehub Bodies. Features: - Refined 12-Step Gear Combination Provides Peak Efficiency And Accelerating Performance For Every Situation - Compatible With New 12-Speed And Road 11-Speed Freehub Body Specifications: - Average Weight: 361 - Combination Name (Group Name): 11-34t - Type: Hg - Compatible Chain: Hg 12-Speed - Rear Speeds: 12 - Aluminum Spider Arm_Qty (Pcs): 1 - Spline Type_Hg Spline L2 (Road 12-Speed Dedicated): Yes - Steel Gear_Qty (Pcs): 12 Technology: Hg Sprockets: - The Distinctively Designed Hyperglide Sprockets Incorporate Specially Positioned Shift Ramps And Tooth Profiles For Improved Chain Control During Shifting. Fast And Responsive Indexed Shifting Is The Result. The Hg Cassette Sprocket, Which Was Developed For The Mtb 10-Speed System, Underwent Comprehensive Optimization To Achieve Super-Highly Efficient Shifting. Hg Sprockets: - Guide The Chain Quickly And Directly To The Next Sprocket Without Override. Conventional Sprockets: - Cause The Chain To Ride Up And Over The Gear Teeth Before Engaging The Sprocket.